Product base



FIG. 1 is a front elevational view of a product base of my design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view of the left side thereof;

FIG. 4 is a side elevational view of the right side thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

CLAIM The ornamental design of a product base, as shown and described. 